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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Печать: 0040-2508
ISSN Онлайн: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v72.i15.50
pages 1411-1422

EVALUATION OF THE INFLUENCE OF DEFECTS ON THE QUALITY OF COMPOSITES USING A QUASI-OPTICAL POLARIZATION-FREQUENCY REFLECTOMETRY IN SUB-TERAHERTZ DOMAIN

V. I. Bezborodov
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
V. K. Kiseliov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine; V.N.Karazin Kharkiv National University 4, Svobody sq., 61022, Kharkiv, Ukraine
Ye. M. Kuleshov
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
P. K. Nesterov
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
S. V. Mizrakhy
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura Str., Kharkiv 61085, Ukraine
M. S. Yanovsky
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, Ukraine

Краткое описание

Quasi-optical polarization-frequency reflectometry in subterahertz (sub-THz) frequency band is considered as a nondestructive method for detecting of subsurface damage of composite materials. Such materials are used in modern aerospace industry to create robust lightweight structures using adhesive technology. The present paper relates to studying of the possibility of detecting volumetric moisture and thermal damage of the carbon fiber reinforced plastic (CFRP) structures in order to evaluate a quality of surface preparation before CFRP samples bonding. For this purpose we have used quasi-optical beamguide systems to perform polarization in the sub-THz frequency domain (0.1…0.2 ТHz). The measurements of amplitude-frequency and polarization reflecting characteristics of the CFRP samples showed that the thermal effects and volumetric moisture result in changes of reflecting characteristics of samples in this frequency band. The promising results are obtained to use this method when creating means for nondestructive testing and evaluation of the quality of the surface of the CFRP composites before cement together.


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